1 // Copyright 2009,2010 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 // NetBSD system calls. 6 // This file is compiled as ordinary Go code, 7 // but it is also input to mksyscall, 8 // which parses the //sys lines and generates system call stubs. 9 // Note that sometimes we use a lowercase //sys name and wrap 10 // it in our own nicer implementation, either here or in 11 // syscall_bsd.go or syscall_unix.go. 12 13 package syscall 14 15 import "unsafe" 16 17 type SockaddrDatalink struct { 18 Len uint8 19 Family uint8 20 Index uint16 21 Type uint8 22 Nlen uint8 23 Alen uint8 24 Slen uint8 25 Data [12]int8 26 raw RawSockaddrDatalink 27 } 28 29 func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno) 30 31 func sysctlNodes(mib []_C_int) (nodes []Sysctlnode, err error) { 32 var olen uintptr 33 34 // Get a list of all sysctl nodes below the given MIB by performing 35 // a sysctl for the given MIB with CTL_QUERY appended. 36 mib = append(mib, CTL_QUERY) 37 qnode := Sysctlnode{Flags: SYSCTL_VERS_1} 38 qp := (*byte)(unsafe.Pointer(&qnode)) 39 sz := unsafe.Sizeof(qnode) 40 if err = sysctl(mib, nil, &olen, qp, sz); err != nil { 41 return nil, err 42 } 43 44 // Now that we know the size, get the actual nodes. 45 nodes = make([]Sysctlnode, olen/sz) 46 np := (*byte)(unsafe.Pointer(&nodes[0])) 47 if err = sysctl(mib, np, &olen, qp, sz); err != nil { 48 return nil, err 49 } 50 51 return nodes, nil 52 } 53 54 func nametomib(name string) (mib []_C_int, err error) { 55 56 // Split name into components. 57 var parts []string 58 last := 0 59 for i := 0; i < len(name); i++ { 60 if name[i] == '.' { 61 parts = append(parts, name[last:i]) 62 last = i + 1 63 } 64 } 65 parts = append(parts, name[last:]) 66 67 // Discover the nodes and construct the MIB OID. 68 for partno, part := range parts { 69 nodes, err := sysctlNodes(mib) 70 if err != nil { 71 return nil, err 72 } 73 for _, node := range nodes { 74 n := make([]byte, 0) 75 for i := range node.Name { 76 if node.Name[i] != 0 { 77 n = append(n, byte(node.Name[i])) 78 } 79 } 80 if string(n) == part { 81 mib = append(mib, _C_int(node.Num)) 82 break 83 } 84 } 85 if len(mib) != partno+1 { 86 return nil, EINVAL 87 } 88 } 89 90 return mib, nil 91 } 92 93 func direntIno(buf []byte) (uint64, bool) { 94 return readInt(buf, unsafe.Offsetof(Dirent{}.Fileno), unsafe.Sizeof(Dirent{}.Fileno)) 95 } 96 97 func direntReclen(buf []byte) (uint64, bool) { 98 return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen)) 99 } 100 101 func direntNamlen(buf []byte) (uint64, bool) { 102 return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen)) 103 } 104 105 //sysnb pipe() (fd1 int, fd2 int, err error) 106 func Pipe(p []int) (err error) { 107 if len(p) != 2 { 108 return EINVAL 109 } 110 p[0], p[1], err = pipe() 111 return 112 } 113 114 //sys getdents(fd int, buf []byte) (n int, err error) 115 func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) { 116 return getdents(fd, buf) 117 } 118 119 // TODO 120 func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { 121 return -1, ENOSYS 122 } 123 124 func setattrlistTimes(path string, times []Timespec) error { 125 // used on Darwin for UtimesNano 126 return ENOSYS 127 } 128 129 /* 130 * Exposed directly 131 */ 132 //sys Access(path string, mode uint32) (err error) 133 //sys Adjtime(delta *Timeval, olddelta *Timeval) (err error) 134 //sys Chdir(path string) (err error) 135 //sys Chflags(path string, flags int) (err error) 136 //sys Chmod(path string, mode uint32) (err error) 137 //sys Chown(path string, uid int, gid int) (err error) 138 //sys Chroot(path string) (err error) 139 //sys Close(fd int) (err error) 140 //sys Dup(fd int) (nfd int, err error) 141 //sys Dup2(from int, to int) (err error) 142 //sys Fchdir(fd int) (err error) 143 //sys Fchflags(fd int, flags int) (err error) 144 //sys Fchmod(fd int, mode uint32) (err error) 145 //sys Fchown(fd int, uid int, gid int) (err error) 146 //sys Flock(fd int, how int) (err error) 147 //sys Fpathconf(fd int, name int) (val int, err error) 148 //sys Fstat(fd int, stat *Stat_t) (err error) 149 //sys Fsync(fd int) (err error) 150 //sys Ftruncate(fd int, length int64) (err error) 151 //sysnb Getegid() (egid int) 152 //sysnb Geteuid() (uid int) 153 //sysnb Getgid() (gid int) 154 //sysnb Getpgid(pid int) (pgid int, err error) 155 //sysnb Getpgrp() (pgrp int) 156 //sysnb Getpid() (pid int) 157 //sysnb Getppid() (ppid int) 158 //sys Getpriority(which int, who int) (prio int, err error) 159 //sysnb Getrlimit(which int, lim *Rlimit) (err error) 160 //sysnb Getrusage(who int, rusage *Rusage) (err error) 161 //sysnb Getsid(pid int) (sid int, err error) 162 //sysnb Gettimeofday(tv *Timeval) (err error) 163 //sysnb Getuid() (uid int) 164 //sys Issetugid() (tainted bool) 165 //sys Kill(pid int, signum Signal) (err error) 166 //sys Kqueue() (fd int, err error) 167 //sys Lchown(path string, uid int, gid int) (err error) 168 //sys Link(path string, link string) (err error) 169 //sys Listen(s int, backlog int) (err error) 170 //sys Lstat(path string, stat *Stat_t) (err error) 171 //sys Mkdir(path string, mode uint32) (err error) 172 //sys Mkfifo(path string, mode uint32) (err error) 173 //sys Mknod(path string, mode uint32, dev int) (err error) 174 //sys Nanosleep(time *Timespec, leftover *Timespec) (err error) 175 //sys Open(path string, mode int, perm uint32) (fd int, err error) 176 //sys Pathconf(path string, name int) (val int, err error) 177 //sys Pread(fd int, p []byte, offset int64) (n int, err error) 178 //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) 179 //sys read(fd int, p []byte) (n int, err error) 180 //sys Readlink(path string, buf []byte) (n int, err error) 181 //sys Rename(from string, to string) (err error) 182 //sys Revoke(path string) (err error) 183 //sys Rmdir(path string) (err error) 184 //sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK 185 //sys Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error) 186 //sysnb Setegid(egid int) (err error) 187 //sysnb Seteuid(euid int) (err error) 188 //sysnb Setgid(gid int) (err error) 189 //sysnb Setpgid(pid int, pgid int) (err error) 190 //sys Setpriority(which int, who int, prio int) (err error) 191 //sysnb Setregid(rgid int, egid int) (err error) 192 //sysnb Setreuid(ruid int, euid int) (err error) 193 //sysnb Setrlimit(which int, lim *Rlimit) (err error) 194 //sysnb Setsid() (pid int, err error) 195 //sysnb Settimeofday(tp *Timeval) (err error) 196 //sysnb Setuid(uid int) (err error) 197 //sys Stat(path string, stat *Stat_t) (err error) 198 //sys Symlink(path string, link string) (err error) 199 //sys Sync() (err error) 200 //sys Truncate(path string, length int64) (err error) 201 //sys Umask(newmask int) (oldmask int) 202 //sys Unlink(path string) (err error) 203 //sys Unmount(path string, flags int) (err error) 204 //sys write(fd int, p []byte) (n int, err error) 205 //sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) 206 //sys munmap(addr uintptr, length uintptr) (err error) 207 //sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ 208 //sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE 209 //sys utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error) 210 211 /* 212 * Unimplemented 213 */ 214 // ____semctl13 215 // __clone 216 // __fhopen40 217 // __fhstat40 218 // __fhstatvfs140 219 // __fstat30 220 // __getcwd 221 // __getfh30 222 // __getlogin 223 // __lstat30 224 // __mount50 225 // __msgctl13 226 // __msync13 227 // __ntp_gettime30 228 // __posix_chown 229 // __posix_fadvise50 230 // __posix_fchown 231 // __posix_lchown 232 // __posix_rename 233 // __setlogin 234 // __shmctl13 235 // __sigaction_sigtramp 236 // __sigaltstack14 237 // __sigpending14 238 // __sigprocmask14 239 // __sigsuspend14 240 // __sigtimedwait 241 // __stat30 242 // __syscall 243 // __vfork14 244 // _ksem_close 245 // _ksem_destroy 246 // _ksem_getvalue 247 // _ksem_init 248 // _ksem_open 249 // _ksem_post 250 // _ksem_trywait 251 // _ksem_unlink 252 // _ksem_wait 253 // _lwp_continue 254 // _lwp_create 255 // _lwp_ctl 256 // _lwp_detach 257 // _lwp_exit 258 // _lwp_getname 259 // _lwp_getprivate 260 // _lwp_kill 261 // _lwp_park 262 // _lwp_self 263 // _lwp_setname 264 // _lwp_setprivate 265 // _lwp_suspend 266 // _lwp_unpark 267 // _lwp_unpark_all 268 // _lwp_wait 269 // _lwp_wakeup 270 // _pset_bind 271 // _sched_getaffinity 272 // _sched_getparam 273 // _sched_setaffinity 274 // _sched_setparam 275 // acct 276 // aio_cancel 277 // aio_error 278 // aio_fsync 279 // aio_read 280 // aio_return 281 // aio_suspend 282 // aio_write 283 // break 284 // clock_getres 285 // clock_gettime 286 // clock_settime 287 // compat_09_ogetdomainname 288 // compat_09_osetdomainname 289 // compat_09_ouname 290 // compat_10_omsgsys 291 // compat_10_osemsys 292 // compat_10_oshmsys 293 // compat_12_fstat12 294 // compat_12_getdirentries 295 // compat_12_lstat12 296 // compat_12_msync 297 // compat_12_oreboot 298 // compat_12_oswapon 299 // compat_12_stat12 300 // compat_13_sigaction13 301 // compat_13_sigaltstack13 302 // compat_13_sigpending13 303 // compat_13_sigprocmask13 304 // compat_13_sigreturn13 305 // compat_13_sigsuspend13 306 // compat_14___semctl 307 // compat_14_msgctl 308 // compat_14_shmctl 309 // compat_16___sigaction14 310 // compat_16___sigreturn14 311 // compat_20_fhstatfs 312 // compat_20_fstatfs 313 // compat_20_getfsstat 314 // compat_20_statfs 315 // compat_30___fhstat30 316 // compat_30___fstat13 317 // compat_30___lstat13 318 // compat_30___stat13 319 // compat_30_fhopen 320 // compat_30_fhstat 321 // compat_30_fhstatvfs1 322 // compat_30_getdents 323 // compat_30_getfh 324 // compat_30_ntp_gettime 325 // compat_30_socket 326 // compat_40_mount 327 // compat_43_fstat43 328 // compat_43_lstat43 329 // compat_43_oaccept 330 // compat_43_ocreat 331 // compat_43_oftruncate 332 // compat_43_ogetdirentries 333 // compat_43_ogetdtablesize 334 // compat_43_ogethostid 335 // compat_43_ogethostname 336 // compat_43_ogetkerninfo 337 // compat_43_ogetpagesize 338 // compat_43_ogetpeername 339 // compat_43_ogetrlimit 340 // compat_43_ogetsockname 341 // compat_43_okillpg 342 // compat_43_olseek 343 // compat_43_ommap 344 // compat_43_oquota 345 // compat_43_orecv 346 // compat_43_orecvfrom 347 // compat_43_orecvmsg 348 // compat_43_osend 349 // compat_43_osendmsg 350 // compat_43_osethostid 351 // compat_43_osethostname 352 // compat_43_osetrlimit 353 // compat_43_osigblock 354 // compat_43_osigsetmask 355 // compat_43_osigstack 356 // compat_43_osigvec 357 // compat_43_otruncate 358 // compat_43_owait 359 // compat_43_stat43 360 // execve 361 // extattr_delete_fd 362 // extattr_delete_file 363 // extattr_delete_link 364 // extattr_get_fd 365 // extattr_get_file 366 // extattr_get_link 367 // extattr_list_fd 368 // extattr_list_file 369 // extattr_list_link 370 // extattr_set_fd 371 // extattr_set_file 372 // extattr_set_link 373 // extattrctl 374 // fchroot 375 // fdatasync 376 // fgetxattr 377 // fktrace 378 // flistxattr 379 // fork 380 // fremovexattr 381 // fsetxattr 382 // fstatvfs1 383 // fsync_range 384 // getcontext 385 // getitimer 386 // getvfsstat 387 // getxattr 388 // ioctl 389 // ktrace 390 // lchflags 391 // lchmod 392 // lfs_bmapv 393 // lfs_markv 394 // lfs_segclean 395 // lfs_segwait 396 // lgetxattr 397 // lio_listio 398 // listxattr 399 // llistxattr 400 // lremovexattr 401 // lseek 402 // lsetxattr 403 // lutimes 404 // madvise 405 // mincore 406 // minherit 407 // mlock 408 // mlockall 409 // modctl 410 // mprotect 411 // mq_close 412 // mq_getattr 413 // mq_notify 414 // mq_open 415 // mq_receive 416 // mq_send 417 // mq_setattr 418 // mq_timedreceive 419 // mq_timedsend 420 // mq_unlink 421 // mremap 422 // msgget 423 // msgrcv 424 // msgsnd 425 // munlock 426 // munlockall 427 // nfssvc 428 // ntp_adjtime 429 // pmc_control 430 // pmc_get_info 431 // poll 432 // pollts 433 // preadv 434 // profil 435 // pselect 436 // pset_assign 437 // pset_create 438 // pset_destroy 439 // ptrace 440 // pwritev 441 // quotactl 442 // rasctl 443 // readv 444 // reboot 445 // removexattr 446 // sa_enable 447 // sa_preempt 448 // sa_register 449 // sa_setconcurrency 450 // sa_stacks 451 // sa_yield 452 // sbrk 453 // sched_yield 454 // semconfig 455 // semget 456 // semop 457 // setcontext 458 // setitimer 459 // setxattr 460 // shmat 461 // shmdt 462 // shmget 463 // sstk 464 // statvfs1 465 // swapctl 466 // sysarch 467 // syscall 468 // timer_create 469 // timer_delete 470 // timer_getoverrun 471 // timer_gettime 472 // timer_settime 473 // undelete 474 // utrace 475 // uuidgen 476 // vadvise 477 // vfork 478 // writev 479
